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Black mid-tower workstation chassis with front I/O panel

DELL

DELL Precision 5820 Tower Xeon W-2145 256GB DDR4 500GB NVMe Quadro P5000 Win 11 Pro

SKU CH-XAJA-3AQGJ

A mid-tower workstation with an 8-core Xeon W-2145, 256GB DDR4 ECC memory, 500GB NVMe SSD and Quadro P5000 graphics for intensive professional workloads

  • TypeBusiness Desktops & Workstations
  • Form FactorMid Tower
  • UsageBusiness
  • ColorBlack
  • MonitorMonitor not included
  • Operating SystemWindows 11 Pro
  • 8-core Xeon W-2145 reaches 4.5 GHz turbo for heavy compute
  • 256 GB DDR4 2666 ECC memory handles large datasets
  • 500 GB NVMe SSD accelerates boot and project loads
  • Quadro P5000 16 GB GDDR5X drives four displays
  • 950 W 80 Plus Gold PSU delivers stable 90 % efficiency

Precision 5820 Tower Workstation

The Dell Precision 5820 Tower is a mid-tower workstation built around an Intel Xeon W-2145 eight-core processor running at 3.7 GHz with 4.5 GHz turbo. It ships with 256 GB of DDR4 2666 MHz registered ECC memory across eight slots, a 500 GB NVMe SSD and an Nvidia Quadro P5000 graphics card with 16 GB GDDR5X memory. Windows 11 Pro is pre-installed.

Upgrade from older Xeon towers

This system replaces earlier single-socket workstations that max out at lower core counts or slower memory speeds. The jump is worth it when applications demand 256 GB of ECC memory, a 256-bit GPU with four DisplayPort outputs and a 950 W 80 Plus Gold power supply for sustained loads. Buyers who need multiple GPUs or more internal drive bays should look elsewhere.

Standard mid-tower installation

The workstation uses a conventional mid-tower chassis with tool-less access to memory slots and the M.2 NVMe drive. The 950 W supply uses standard ATX connectors and the Quadro P5000 occupies a dual-slot PCIe x16 lane. Common issues include forgetting to seat all eight DIMMs for full quad-channel bandwidth and overlooking the GPU auxiliary power cable.

Highlights

  • 8-core Xeon W-2145 reaches 4.5 GHz turbo for heavy compute
  • 256 GB DDR4 2666 ECC memory handles large datasets
  • 500 GB NVMe SSD accelerates boot and project loads
  • Quadro P5000 16 GB GDDR5X drives four displays
  • 950 W 80 Plus Gold PSU delivers stable 90 % efficiency

Specifications

SeriesPrecision
ModelT5820
TypeBusiness Desktops & Workstations
Form FactorMid Tower
UsageBusiness
ColorBlack
MonitorMonitor not included
Operating SystemWindows 11 Pro
CPU TypeIntel Xeon
CPU NameW-2145 (3.70GHz)
CPU Socket TypeLGA 2066
GPU/VGA TypeNVIDIA Quadro P5000
Memory Capacity256GB DDR4
Memory SpeedDDR4 2666
Memory Slot (Total)8
Maximum Memory Supported256 GB
SSD500 GB pcie
HDDNo
Screen SizeNo Screen

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What clearance and power connectors does the 256-bit Quadro P5000 need inside the mid-tower chassis?

The card occupies a full-length, dual-slot PCIe x16 slot and draws auxiliary power through one 8-pin and one 6-pin connector from the 950 W 80 Plus Gold supply.

In which sequence should the eight registered ECC DDR4 2666 modules be seated to avoid a no-post condition?

Populate the eight slots in the order marked on the motherboard — typically CPU1 channels first, then CPU2 — ensuring each 32 GB DIMM clicks fully home before applying power.

When the 500 GB M.2 NVMe drive reaches its write-endurance limit, what replacement specification matches the original?

Swap in another M.2 2280 PCIe NVMe SSD of equal or greater capacity; the platform supports standard NVMe drives without proprietary firmware.

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